MCQOPTIONS
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				| 1. | 
                                    The positive strand of certain viruses does not act as a message but becomes converted into DNA and integrated into the host cellular DNA. These viruses are | 
                            
| A. | Rhinoviruses | 
| B. | Enteroviruses | 
| C. | Retroviruses | 
| D. | Reoviruses | 
| Answer» D. Reoviruses | |